Synonym of Russian pyramid

A graphical illustration of the distribution of a population (typically that of a country or region of the world) by age groups and sex; it typically forms the shape of a pyramid when the population is growing.

A form of pocket billiards played on a modified snooker table with narrower pockets.

Synonym of multi-level marketing

Elimia potosiensis, a species of elimia snail.

plural of pyramidal cell

(anatomy) A type of multipolar neuron found in areas of the brain including the cerebral cortex, the hippocampus, and the amygdala.

(geometry) A nonright pyramid, where the apex is not centered over the base.

(historical, pyramidology) unit of measure claimed by pyramidologists to have been used in ancient times. Supposedly one twenty-fifth of a "sacred cubit", 1.00106 imperial inches, or 2.5426924 centimetres.

plural of pyramid piano